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Water lens bucket / solar water heater

Water lens bucket
Water lens bucket

This is a water heater designed for power shortage areas. Low cost consideration makes it possible to promote it in poor areas. The cover of the bucket is made of a layer of transparent plastic film. After adding an appropriate amount of water on it, due to the pressure of water, the whole cover becomes a water lens, which can achieve efficient heat gathering effect. Strong sunlight can heat the water in the bucket to an ideal temperature in two hours; weak sunlight can also heat the water to a satisfactory temperature in eight hours. People in poor areas put the product outdoors during the day and take a hot bath when they go home at sunset.

University

Hubei University of Technology

Hubei University of Technology
Wuhan, China

Shiqi Yue,
Hubei University of Technology

Rui Cheng,
Hubei University of Technology